Cita APA (7th ed.)

Johnson, D. W. (1993). Reaching out: Interpersonal effectiveness and ... (5th.ed.). Allyn and Bacon.

Cita Chicago (17th ed.)

Johnson, David W. Reaching Out: Interpersonal Effectiveness and ... 5th.ed. Boston: Allyn and Bacon, 1993.

Cita MLA (9th ed.)

Johnson, David W. Reaching Out: Interpersonal Effectiveness and ... 5th.ed. Allyn and Bacon, 1993.

Atenció: Aquestes cites poden no estar 100% correctes.